| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.hadoop.fs.s3native; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URI; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.FileSystemContractBaseTest; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.s3native.NativeS3FileSystem.NativeS3FsInputStream; |
| |
| public abstract class NativeS3FileSystemContractBaseTest |
| extends FileSystemContractBaseTest { |
| |
| private NativeFileSystemStore store; |
| |
| abstract NativeFileSystemStore getNativeFileSystemStore() throws IOException; |
| |
| @Override |
| protected void setUp() throws Exception { |
| Configuration conf = new Configuration(); |
| store = getNativeFileSystemStore(); |
| fs = new NativeS3FileSystem(store); |
| fs.initialize(URI.create(conf.get("test.fs.s3n.name")), conf); |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| store.purge("test"); |
| super.tearDown(); |
| } |
| |
| public void testListStatusForRoot() throws Exception { |
| FileStatus[] paths = fs.listStatus(path("/")); |
| assertEquals(0, paths.length); |
| |
| Path testDir = path("/test"); |
| assertTrue(fs.mkdirs(testDir)); |
| |
| paths = fs.listStatus(path("/")); |
| assertEquals(1, paths.length); |
| assertEquals(path("/test"), paths[0].getPath()); |
| } |
| |
| public void testNoTrailingBackslashOnBucket() throws Exception { |
| assertTrue(fs.getFileStatus(new Path(fs.getUri().toString())).isDirectory()); |
| } |
| |
| private void createTestFiles(String base) throws IOException { |
| store.storeEmptyFile(base + "/file1"); |
| store.storeEmptyFile(base + "/dir/file2"); |
| store.storeEmptyFile(base + "/dir/file3"); |
| } |
| |
| public void testDirWithDifferentMarkersWorks() throws Exception { |
| |
| for (int i = 0; i < 3; i++) { |
| String base = "test/hadoop" + i; |
| Path path = path("/" + base); |
| |
| createTestFiles(base); |
| |
| if (i == 0 ) { |
| //do nothing, we are testing correctness with no markers |
| } |
| else if (i == 1) { |
| // test for _$folder$ marker |
| store.storeEmptyFile(base + "_$folder$"); |
| store.storeEmptyFile(base + "/dir_$folder$"); |
| } |
| else if (i == 2) { |
| // test the end slash file marker |
| store.storeEmptyFile(base + "/"); |
| store.storeEmptyFile(base + "/dir/"); |
| } |
| else if (i == 3) { |
| // test both markers |
| store.storeEmptyFile(base + "_$folder$"); |
| store.storeEmptyFile(base + "/dir_$folder$"); |
| store.storeEmptyFile(base + "/"); |
| store.storeEmptyFile(base + "/dir/"); |
| } |
| |
| assertTrue(fs.getFileStatus(path).isDirectory()); |
| assertEquals(2, fs.listStatus(path).length); |
| } |
| } |
| |
| public void testDeleteWithNoMarker() throws Exception { |
| String base = "test/hadoop"; |
| Path path = path("/" + base); |
| |
| createTestFiles(base); |
| |
| fs.delete(path, true); |
| |
| path = path("/test"); |
| assertTrue(fs.getFileStatus(path).isDirectory()); |
| assertEquals(0, fs.listStatus(path).length); |
| } |
| |
| public void testRenameWithNoMarker() throws Exception { |
| String base = "test/hadoop"; |
| Path dest = path("/test/hadoop2"); |
| |
| createTestFiles(base); |
| |
| fs.rename(path("/" + base), dest); |
| |
| Path path = path("/test"); |
| assertTrue(fs.getFileStatus(path).isDirectory()); |
| assertEquals(1, fs.listStatus(path).length); |
| assertTrue(fs.getFileStatus(dest).isDirectory()); |
| assertEquals(2, fs.listStatus(dest).length); |
| } |
| |
| public void testEmptyFile() throws Exception { |
| store.storeEmptyFile("test/hadoop/file1"); |
| fs.open(path("/test/hadoop/file1")).close(); |
| } |
| |
| public void testBlockSize() throws Exception { |
| Path file = path("/test/hadoop/file"); |
| createFile(file); |
| assertEquals("Default block size", fs.getDefaultBlockSize(), |
| fs.getFileStatus(file).getBlockSize()); |
| |
| // Block size is determined at read time |
| long newBlockSize = fs.getDefaultBlockSize() * 2; |
| fs.getConf().setLong("fs.s3n.block.size", newBlockSize); |
| assertEquals("Double default block size", newBlockSize, |
| fs.getFileStatus(file).getBlockSize()); |
| } |
| |
| public void testRetryOnIoException() throws Exception { |
| class TestInputStream extends InputStream { |
| boolean shouldThrow = false; |
| int throwCount = 0; |
| int pos = 0; |
| byte[] bytes; |
| |
| public TestInputStream() { |
| bytes = new byte[256]; |
| for (int i = 0; i < 256; i++) { |
| bytes[i] = (byte)i; |
| } |
| } |
| |
| @Override |
| public int read() throws IOException { |
| shouldThrow = !shouldThrow; |
| if (shouldThrow) { |
| throwCount++; |
| throw new IOException(); |
| } |
| return pos++; |
| } |
| |
| @Override |
| public int read(byte[] b, int off, int len) throws IOException { |
| shouldThrow = !shouldThrow; |
| if (shouldThrow) { |
| throwCount++; |
| throw new IOException(); |
| } |
| |
| int sizeToRead = Math.min(len, 256 - pos); |
| for (int i = 0; i < sizeToRead; i++) { |
| b[i] = bytes[pos + i]; |
| } |
| pos += sizeToRead; |
| return sizeToRead; |
| } |
| } |
| |
| final InputStream is = new TestInputStream(); |
| |
| class MockNativeFileSystemStore extends Jets3tNativeFileSystemStore { |
| @Override |
| public InputStream retrieve(String key, long byteRangeStart) throws IOException { |
| return is; |
| } |
| } |
| |
| NativeS3FsInputStream stream = new NativeS3FsInputStream(new MockNativeFileSystemStore(), null, is, ""); |
| |
| // Test reading methods. |
| byte[] result = new byte[256]; |
| for (int i = 0; i < 128; i++) { |
| result[i] = (byte)stream.read(); |
| } |
| for (int i = 128; i < 256; i += 8) { |
| byte[] temp = new byte[8]; |
| int read = stream.read(temp, 0, 8); |
| assertEquals(8, read); |
| System.arraycopy(temp, 0, result, i, 8); |
| } |
| |
| // Assert correct |
| for (int i = 0; i < 256; i++) { |
| assertEquals((byte)i, result[i]); |
| } |
| |
| // Test to make sure the throw path was exercised. |
| // 144 = 128 + (128 / 8) |
| assertEquals(144, ((TestInputStream)is).throwCount); |
| } |
| |
| } |